Commit | Line | Data |
---|---|---|
07bf635f | 1 | /* A general interface to the widgets of different toolkits. |
67f02b82 | 2 | |
4424d48a | 3 | Copyright (C) 1992, 1993 Lucid, Inc. |
acaf905b | 4 | Copyright (C) 1994-1996, 1999-2012 Free Software Foundation, Inc. |
07bf635f RS |
5 | |
6 | This file is part of the Lucid Widget Library. | |
7 | ||
177c0ea7 | 8 | The Lucid Widget Library is free software; you can redistribute it and/or |
07bf635f | 9 | modify it under the terms of the GNU General Public License as published by |
2aa86c0f | 10 | the Free Software Foundation; either version 2, or (at your option) |
07bf635f RS |
11 | any later version. |
12 | ||
13 | The Lucid Widget Library is distributed in the hope that it will be useful, | |
177c0ea7 | 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
07bf635f RS |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with GNU Emacs; see the file COPYING. If not, write to | |
364c38d3 LK |
20 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
21 | Boston, MA 02110-1301, USA. */ | |
07bf635f | 22 | |
0f0912e6 | 23 | #include <config.h> |
0f0912e6 | 24 | |
d7306fe6 | 25 | #include <setjmp.h> |
67f02b82 | 26 | #include <lisp.h> |
fee5959d | 27 | #include <c-strcase.h> |
a3bf8a8c | 28 | |
07bf635f | 29 | #include <sys/types.h> |
07bf635f | 30 | #include <stdio.h> |
e7818b5a | 31 | #include "lwlib-int.h" |
07bf635f | 32 | #include "lwlib-utils.h" |
01492d1b | 33 | #include <X11/StringDefs.h> |
07bf635f | 34 | |
07bf635f RS |
35 | #if defined (USE_LUCID) |
36 | #include "lwlib-Xlw.h" | |
37 | #endif | |
38 | #if defined (USE_MOTIF) | |
39 | #include "lwlib-Xm.h" | |
ce5a08a1 FP |
40 | #else /* not USE_MOTIF */ |
41 | #if defined (USE_LUCID) | |
42 | #define USE_XAW | |
43 | #endif /* not USE_MOTIF && USE_LUCID */ | |
07bf635f | 44 | #endif |
9331cca8 | 45 | #if defined (USE_XAW) |
5262c5c7 CY |
46 | #ifdef HAVE_XAW3D |
47 | #include <X11/Xaw3d/Paned.h> | |
48 | #else /* !HAVE_XAW3D */ | |
cec17865 | 49 | #include <X11/Xaw/Paned.h> |
5262c5c7 | 50 | #endif /* HAVE_XAW3D */ |
9331cca8 FP |
51 | #include "lwlib-Xaw.h" |
52 | #endif | |
07bf635f | 53 | |
db0e17de DL |
54 | #if !defined (USE_LUCID) && !defined (USE_MOTIF) |
55 | #error At least one of USE_LUCID or USE_MOTIF must be defined. | |
07bf635f RS |
56 | #endif |
57 | ||
2af91681 PR |
58 | #ifndef max |
59 | #define max(x, y) ((x) > (y) ? (x) : (y)) | |
60 | #endif | |
61 | ||
07bf635f RS |
62 | /* List of all widgets managed by the library. */ |
63 | static widget_info* | |
64 | all_widget_info = NULL; | |
65 | ||
99dcca2f | 66 | #ifdef USE_MOTIF |
a953c1e3 | 67 | const char *lwlib_toolkit_type = "motif"; |
99dcca2f | 68 | #else |
a953c1e3 | 69 | const char *lwlib_toolkit_type = "lucid"; |
99dcca2f | 70 | #endif |
07bf635f | 71 | |
f57e2426 J |
72 | static widget_value *merge_widget_value (widget_value *, |
73 | widget_value *, | |
74 | int, int *); | |
75 | static void instantiate_widget_instance (widget_instance *); | |
f57e2426 J |
76 | static void safe_free_str (char *); |
77 | static void free_widget_value_tree (widget_value *); | |
78 | static widget_value *copy_widget_value_tree (widget_value *, | |
79 | change_type); | |
a953c1e3 | 80 | static widget_info *allocate_widget_info (const char *, const char *, LWLIB_ID, |
f57e2426 J |
81 | widget_value *, |
82 | lw_callback, lw_callback, | |
83 | lw_callback, lw_callback); | |
84 | static void free_widget_info (widget_info *); | |
85 | static void mark_widget_destroyed (Widget, XtPointer, XtPointer); | |
86 | static widget_instance *allocate_widget_instance (widget_info *, | |
87 | Widget, Boolean); | |
88 | static void free_widget_instance (widget_instance *); | |
89 | static widget_info *get_widget_info (LWLIB_ID, Boolean); | |
90 | static widget_instance *get_widget_instance (Widget, Boolean); | |
91 | static widget_instance *find_instance (LWLIB_ID, Widget, Boolean); | |
d6dcbe70 DN |
92 | static Boolean safe_strcmp (const char *, const char *); |
93 | static Widget name_to_widget (widget_instance *, const char *); | |
f57e2426 J |
94 | static void set_one_value (widget_instance *, widget_value *, Boolean); |
95 | static void update_one_widget_instance (widget_instance *, Boolean); | |
96 | static void update_all_widget_values (widget_info *, Boolean); | |
97 | static void initialize_widget_instance (widget_instance *); | |
d6dcbe70 DN |
98 | static widget_creation_function find_in_table (const char *, const widget_creation_entry *); |
99 | static Boolean dialog_spec_p (const char *); | |
f57e2426 J |
100 | static void destroy_one_instance (widget_instance *); |
101 | static void lw_pop_all_widgets (LWLIB_ID, Boolean); | |
102 | static Boolean get_one_value (widget_instance *, widget_value *); | |
103 | static void show_one_widget_busy (Widget, Boolean); | |
07bf635f | 104 | \f/* utility functions for widget_instance and widget_info */ |
bb2ee72b | 105 | char * |
c3174d16 | 106 | safe_strdup (const char *s) |
07bf635f RS |
107 | { |
108 | char *result; | |
109 | if (! s) return 0; | |
3370edca | 110 | result = (char *) xmalloc (strlen (s) + 1); |
07bf635f RS |
111 | strcpy (result, s); |
112 | return result; | |
113 | } | |
114 | ||
115 | static void | |
c3174d16 | 116 | safe_free_str (char *s) |
07bf635f | 117 | { |
81d40c92 | 118 | xfree (s); |
07bf635f RS |
119 | } |
120 | ||
121 | static widget_value *widget_value_free_list = 0; | |
0b96f00b | 122 | static int malloc_cpt = 0; |
07bf635f RS |
123 | |
124 | widget_value * | |
c3174d16 | 125 | malloc_widget_value (void) |
07bf635f RS |
126 | { |
127 | widget_value *wv; | |
128 | if (widget_value_free_list) | |
129 | { | |
130 | wv = widget_value_free_list; | |
131 | widget_value_free_list = wv->free_list; | |
132 | wv->free_list = 0; | |
133 | } | |
134 | else | |
135 | { | |
3370edca | 136 | wv = (widget_value *) xmalloc (sizeof (widget_value)); |
0b96f00b | 137 | malloc_cpt++; |
07bf635f | 138 | } |
72af86bd | 139 | memset ((void*) wv, 0, sizeof (widget_value)); |
07bf635f RS |
140 | return wv; |
141 | } | |
142 | ||
7ef3956a | 143 | /* this is analogous to free(). It frees only what was allocated |
177c0ea7 | 144 | by malloc_widget_value(), and no substructures. |
07bf635f RS |
145 | */ |
146 | void | |
c3174d16 | 147 | free_widget_value (widget_value *wv) |
07bf635f RS |
148 | { |
149 | if (wv->free_list) | |
150 | abort (); | |
0b96f00b | 151 | |
d2a5919f | 152 | if (malloc_cpt > 25) |
0b96f00b FP |
153 | { |
154 | /* When the number of already allocated cells is too big, | |
155 | We free it. */ | |
81d40c92 | 156 | xfree (wv); |
d2a5919f | 157 | malloc_cpt--; |
0b96f00b FP |
158 | } |
159 | else | |
160 | { | |
161 | wv->free_list = widget_value_free_list; | |
162 | widget_value_free_list = wv; | |
163 | } | |
07bf635f RS |
164 | } |
165 | ||
166 | static void | |
c3174d16 | 167 | free_widget_value_tree (widget_value *wv) |
07bf635f RS |
168 | { |
169 | if (!wv) | |
170 | return; | |
171 | ||
81d40c92 DA |
172 | xfree (wv->name); |
173 | xfree (wv->value); | |
174 | xfree (wv->key); | |
07bf635f | 175 | |
a3bf8a8c | 176 | wv->name = wv->value = wv->key = (char *) 0xDEADBEEF; |
07bf635f RS |
177 | |
178 | if (wv->toolkit_data && wv->free_toolkit_data) | |
179 | { | |
53e28d2a | 180 | XtFree (wv->toolkit_data); |
07bf635f RS |
181 | wv->toolkit_data = (void *) 0xDEADBEEF; |
182 | } | |
183 | ||
184 | if (wv->contents && (wv->contents != (widget_value*)1)) | |
185 | { | |
186 | free_widget_value_tree (wv->contents); | |
187 | wv->contents = (widget_value *) 0xDEADBEEF; | |
188 | } | |
189 | if (wv->next) | |
190 | { | |
191 | free_widget_value_tree (wv->next); | |
192 | wv->next = (widget_value *) 0xDEADBEEF; | |
193 | } | |
194 | free_widget_value (wv); | |
195 | } | |
196 | ||
197 | static widget_value * | |
c3174d16 | 198 | copy_widget_value_tree (widget_value *val, change_type change) |
07bf635f RS |
199 | { |
200 | widget_value* copy; | |
177c0ea7 | 201 | |
07bf635f RS |
202 | if (!val) |
203 | return NULL; | |
204 | if (val == (widget_value *) 1) | |
205 | return val; | |
206 | ||
207 | copy = malloc_widget_value (); | |
208 | copy->name = safe_strdup (val->name); | |
209 | copy->value = safe_strdup (val->value); | |
210 | copy->key = safe_strdup (val->key); | |
a3bf8a8c | 211 | copy->help = val->help; |
07bf635f | 212 | copy->enabled = val->enabled; |
da88f592 | 213 | copy->button_type = val->button_type; |
07bf635f RS |
214 | copy->selected = val->selected; |
215 | copy->edited = False; | |
216 | copy->change = change; | |
0c12a958 | 217 | copy->this_one_change = change; |
07bf635f RS |
218 | copy->contents = copy_widget_value_tree (val->contents, change); |
219 | copy->call_data = val->call_data; | |
220 | copy->next = copy_widget_value_tree (val->next, change); | |
221 | copy->toolkit_data = NULL; | |
222 | copy->free_toolkit_data = False; | |
223 | return copy; | |
224 | } | |
225 | ||
226 | static widget_info * | |
a953c1e3 DN |
227 | allocate_widget_info (const char* type, |
228 | const char* name, | |
c825c0b6 J |
229 | LWLIB_ID id, |
230 | widget_value* val, | |
231 | lw_callback pre_activate_cb, | |
232 | lw_callback selection_cb, | |
233 | lw_callback post_activate_cb, | |
234 | lw_callback highlight_cb) | |
07bf635f | 235 | { |
3370edca | 236 | widget_info* info = (widget_info*) xmalloc (sizeof (widget_info)); |
07bf635f RS |
237 | info->type = safe_strdup (type); |
238 | info->name = safe_strdup (name); | |
239 | info->id = id; | |
240 | info->val = copy_widget_value_tree (val, STRUCTURAL_CHANGE); | |
241 | info->busy = False; | |
242 | info->pre_activate_cb = pre_activate_cb; | |
243 | info->selection_cb = selection_cb; | |
244 | info->post_activate_cb = post_activate_cb; | |
02512b20 | 245 | info->highlight_cb = highlight_cb; |
07bf635f RS |
246 | info->instances = NULL; |
247 | ||
248 | info->next = all_widget_info; | |
249 | all_widget_info = info; | |
250 | ||
251 | return info; | |
252 | } | |
253 | ||
254 | static void | |
c3174d16 | 255 | free_widget_info (widget_info *info) |
07bf635f RS |
256 | { |
257 | safe_free_str (info->type); | |
258 | safe_free_str (info->name); | |
259 | free_widget_value_tree (info->val); | |
72af86bd | 260 | memset ((void*)info, 0xDEADBEEF, sizeof (widget_info)); |
81d40c92 | 261 | xfree (info); |
07bf635f RS |
262 | } |
263 | ||
264 | static void | |
c3174d16 | 265 | mark_widget_destroyed (Widget widget, XtPointer closure, XtPointer call_data) |
07bf635f RS |
266 | { |
267 | widget_instance* instance = (widget_instance*)closure; | |
268 | ||
269 | /* be very conservative */ | |
270 | if (instance->widget == widget) | |
271 | instance->widget = NULL; | |
272 | } | |
273 | ||
274 | static widget_instance * | |
db0e17de | 275 | allocate_widget_instance (widget_info* info, Widget parent, Boolean pop_up_p) |
07bf635f RS |
276 | { |
277 | widget_instance* instance = | |
3370edca | 278 | (widget_instance*) xmalloc (sizeof (widget_instance)); |
72af86bd | 279 | memset (instance, 0, sizeof *instance); |
07bf635f RS |
280 | instance->parent = parent; |
281 | instance->pop_up_p = pop_up_p; | |
282 | instance->info = info; | |
283 | instance->next = info->instances; | |
284 | info->instances = instance; | |
285 | ||
7ef3956a | 286 | instantiate_widget_instance (instance); |
07bf635f RS |
287 | |
288 | XtAddCallback (instance->widget, XtNdestroyCallback, | |
289 | mark_widget_destroyed, (XtPointer)instance); | |
290 | return instance; | |
291 | } | |
292 | ||
293 | static void | |
c3174d16 | 294 | free_widget_instance (widget_instance *instance) |
07bf635f | 295 | { |
72af86bd | 296 | memset ((void*)instance, 0xDEADBEEF, sizeof (widget_instance)); |
81d40c92 | 297 | xfree (instance); |
07bf635f RS |
298 | } |
299 | ||
300 | static widget_info * | |
db0e17de | 301 | get_widget_info (LWLIB_ID id, Boolean remove_p) |
07bf635f RS |
302 | { |
303 | widget_info* info; | |
304 | widget_info* prev; | |
305 | for (prev = NULL, info = all_widget_info; | |
306 | info; | |
307 | prev = info, info = info->next) | |
308 | if (info->id == id) | |
309 | { | |
310 | if (remove_p) | |
311 | { | |
312 | if (prev) | |
313 | prev->next = info->next; | |
314 | else | |
315 | all_widget_info = info->next; | |
316 | } | |
317 | return info; | |
318 | } | |
319 | return NULL; | |
320 | } | |
321 | ||
9331cca8 FP |
322 | /* Internal function used by the library dependent implementation to get the |
323 | widget_value for a given widget in an instance */ | |
324 | widget_info * | |
c3174d16 | 325 | lw_get_widget_info (LWLIB_ID id) |
9331cca8 FP |
326 | { |
327 | return get_widget_info (id, 0); | |
328 | } | |
329 | ||
07bf635f | 330 | static widget_instance * |
db0e17de | 331 | get_widget_instance (Widget widget, Boolean remove_p) |
07bf635f RS |
332 | { |
333 | widget_info* info; | |
334 | widget_instance* instance; | |
335 | widget_instance* prev; | |
336 | for (info = all_widget_info; info; info = info->next) | |
337 | for (prev = NULL, instance = info->instances; | |
338 | instance; | |
339 | prev = instance, instance = instance->next) | |
340 | if (instance->widget == widget) | |
341 | { | |
342 | if (remove_p) | |
343 | { | |
344 | if (prev) | |
345 | prev->next = instance->next; | |
346 | else | |
347 | info->instances = instance->next; | |
348 | } | |
349 | return instance; | |
350 | } | |
351 | return (widget_instance *) 0; | |
352 | } | |
353 | ||
02512b20 GM |
354 | /* Value is a pointer to the widget_instance corresponding to |
355 | WIDGET, or null if WIDGET is not a lwlib widget. */ | |
356 | ||
357 | widget_instance * | |
c3174d16 | 358 | lw_get_widget_instance (Widget widget) |
02512b20 GM |
359 | { |
360 | return get_widget_instance (widget, False); | |
361 | } | |
362 | ||
07bf635f | 363 | static widget_instance* |
db0e17de | 364 | find_instance (LWLIB_ID id, Widget parent, Boolean pop_up_p) |
07bf635f RS |
365 | { |
366 | widget_info* info = get_widget_info (id, False); | |
367 | widget_instance* instance; | |
368 | ||
369 | if (info) | |
370 | for (instance = info->instances; instance; instance = instance->next) | |
371 | if (instance->parent == parent && instance->pop_up_p == pop_up_p) | |
372 | return instance; | |
373 | ||
374 | return NULL; | |
375 | } | |
376 | ||
377 | \f | |
378 | /* utility function for widget_value */ | |
379 | static Boolean | |
d6dcbe70 | 380 | safe_strcmp (const char *s1, const char *s2) |
07bf635f RS |
381 | { |
382 | if (!!s1 ^ !!s2) return True; | |
383 | return (s1 && s2) ? strcmp (s1, s2) : s1 ? False : !!s2; | |
384 | } | |
385 | ||
07bf635f RS |
386 | |
387 | #if 0 | |
388 | # define EXPLAIN(name, oc, nc, desc, a1, a2) \ | |
389 | printf ("Change: \"%s\"\tmax(%s=%d,%s=%d)\t%s %d %d\n", \ | |
390 | name, \ | |
391 | (oc == NO_CHANGE ? "none" : \ | |
392 | (oc == INVISIBLE_CHANGE ? "invisible" : \ | |
393 | (oc == VISIBLE_CHANGE ? "visible" : \ | |
394 | (oc == STRUCTURAL_CHANGE ? "structural" : "???")))), \ | |
395 | oc, \ | |
396 | (nc == NO_CHANGE ? "none" : \ | |
397 | (nc == INVISIBLE_CHANGE ? "invisible" : \ | |
398 | (nc == VISIBLE_CHANGE ? "visible" : \ | |
399 | (nc == STRUCTURAL_CHANGE ? "structural" : "???")))), \ | |
400 | nc, desc, a1, a2) | |
401 | #else | |
9ac71959 | 402 | # define EXPLAIN(name, oc, nc, desc, a1, a2) ((void) 0) |
07bf635f RS |
403 | #endif |
404 | ||
405 | ||
406 | static widget_value * | |
c825c0b6 J |
407 | merge_widget_value (widget_value *val1, |
408 | widget_value *val2, | |
409 | int level, | |
410 | int *change_p) | |
07bf635f | 411 | { |
0c12a958 | 412 | change_type change, this_one_change; |
07bf635f RS |
413 | widget_value* merged_next; |
414 | widget_value* merged_contents; | |
415 | ||
416 | if (!val1) | |
417 | { | |
418 | if (val2) | |
a17063b5 GM |
419 | { |
420 | *change_p = 1; | |
421 | return copy_widget_value_tree (val2, STRUCTURAL_CHANGE); | |
422 | } | |
07bf635f RS |
423 | else |
424 | return NULL; | |
425 | } | |
426 | if (!val2) | |
427 | { | |
a17063b5 | 428 | *change_p = 1; |
07bf635f RS |
429 | free_widget_value_tree (val1); |
430 | return NULL; | |
431 | } | |
177c0ea7 | 432 | |
07bf635f RS |
433 | change = NO_CHANGE; |
434 | ||
435 | if (safe_strcmp (val1->name, val2->name)) | |
436 | { | |
437 | EXPLAIN (val1->name, change, STRUCTURAL_CHANGE, "name change", | |
438 | val1->name, val2->name); | |
439 | change = max (change, STRUCTURAL_CHANGE); | |
440 | safe_free_str (val1->name); | |
441 | val1->name = safe_strdup (val2->name); | |
442 | } | |
443 | if (safe_strcmp (val1->value, val2->value)) | |
444 | { | |
445 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "value change", | |
446 | val1->value, val2->value); | |
447 | change = max (change, VISIBLE_CHANGE); | |
448 | safe_free_str (val1->value); | |
449 | val1->value = safe_strdup (val2->value); | |
450 | } | |
451 | if (safe_strcmp (val1->key, val2->key)) | |
452 | { | |
453 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "key change", | |
454 | val1->key, val2->key); | |
455 | change = max (change, VISIBLE_CHANGE); | |
456 | safe_free_str (val1->key); | |
457 | val1->key = safe_strdup (val2->key); | |
458 | } | |
a3bf8a8c | 459 | if (! EQ (val1->help, val2->help)) |
02512b20 GM |
460 | { |
461 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "help change", | |
462 | val1->help, val2->help); | |
463 | change = max (change, VISIBLE_CHANGE); | |
a3bf8a8c | 464 | val1->help = val2->help; |
02512b20 | 465 | } |
07bf635f RS |
466 | if (val1->enabled != val2->enabled) |
467 | { | |
468 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "enablement change", | |
469 | val1->enabled, val2->enabled); | |
470 | change = max (change, VISIBLE_CHANGE); | |
471 | val1->enabled = val2->enabled; | |
472 | } | |
da88f592 GM |
473 | if (val1->button_type != val2->button_type) |
474 | { | |
475 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "button type change", | |
476 | val1->button_type, val2->button_type); | |
477 | change = max (change, VISIBLE_CHANGE); | |
478 | val1->button_type = val2->button_type; | |
479 | } | |
07bf635f RS |
480 | if (val1->selected != val2->selected) |
481 | { | |
482 | EXPLAIN (val1->name, change, VISIBLE_CHANGE, "selection change", | |
483 | val1->selected, val2->selected); | |
484 | change = max (change, VISIBLE_CHANGE); | |
485 | val1->selected = val2->selected; | |
486 | } | |
487 | if (val1->call_data != val2->call_data) | |
488 | { | |
489 | EXPLAIN (val1->name, change, INVISIBLE_CHANGE, "call-data change", | |
490 | val1->call_data, val2->call_data); | |
491 | change = max (change, INVISIBLE_CHANGE); | |
492 | val1->call_data = val2->call_data; | |
493 | } | |
494 | ||
495 | if (level > 0) | |
496 | { | |
497 | merged_contents = | |
a17063b5 GM |
498 | merge_widget_value (val1->contents, val2->contents, level - 1, |
499 | change_p); | |
177c0ea7 | 500 | |
07bf635f RS |
501 | if (val1->contents && !merged_contents) |
502 | { | |
7ef3956a RS |
503 | /* This used to say INVISIBLE_CHANGE, |
504 | but it is visible and vitally important when | |
505 | the contents of the menu bar itself are entirely deleted. | |
506 | ||
507 | But maybe it doesn't matter. This fails to fix the bug. */ | |
508 | EXPLAIN (val1->name, change, STRUCTURAL_CHANGE, "(contents gone)", | |
07bf635f | 509 | 0, 0); |
7ef3956a | 510 | change = max (change, STRUCTURAL_CHANGE); |
07bf635f RS |
511 | } |
512 | else if (merged_contents && merged_contents->change != NO_CHANGE) | |
513 | { | |
514 | EXPLAIN (val1->name, change, INVISIBLE_CHANGE, "(contents change)", | |
515 | 0, 0); | |
516 | change = max (change, INVISIBLE_CHANGE); | |
61069f2b | 517 | #if 0 /* This was replaced by the August 9 1996 change in lwlib-Xm.c. */ |
2fe6d204 RS |
518 | #ifdef USE_MOTIF |
519 | change = max (merged_contents->change, change); | |
61069f2b | 520 | #endif |
2fe6d204 | 521 | #endif |
07bf635f | 522 | } |
177c0ea7 | 523 | |
07bf635f RS |
524 | val1->contents = merged_contents; |
525 | } | |
526 | ||
0c12a958 RS |
527 | this_one_change = change; |
528 | ||
a17063b5 | 529 | merged_next = merge_widget_value (val1->next, val2->next, level, change_p); |
07bf635f RS |
530 | |
531 | if (val1->next && !merged_next) | |
532 | { | |
533 | EXPLAIN (val1->name, change, STRUCTURAL_CHANGE, "(following gone)", | |
534 | 0, 0); | |
535 | change = max (change, STRUCTURAL_CHANGE); | |
536 | } | |
537 | else if (merged_next) | |
538 | { | |
539 | if (merged_next->change) | |
540 | EXPLAIN (val1->name, change, merged_next->change, "(following change)", | |
541 | 0, 0); | |
542 | change = max (change, merged_next->change); | |
543 | } | |
544 | ||
545 | val1->next = merged_next; | |
546 | ||
0c12a958 | 547 | val1->this_one_change = this_one_change; |
07bf635f | 548 | val1->change = change; |
177c0ea7 | 549 | |
07bf635f RS |
550 | if (change > NO_CHANGE && val1->toolkit_data) |
551 | { | |
a17063b5 | 552 | *change_p = 1; |
07bf635f | 553 | if (val1->free_toolkit_data) |
53e28d2a | 554 | XtFree (val1->toolkit_data); |
07bf635f RS |
555 | val1->toolkit_data = NULL; |
556 | } | |
557 | ||
558 | return val1; | |
559 | } | |
560 | ||
561 | \f | |
562 | /* modifying the widgets */ | |
563 | static Widget | |
d6dcbe70 | 564 | name_to_widget (widget_instance *instance, const char *name) |
07bf635f RS |
565 | { |
566 | Widget widget = NULL; | |
567 | ||
568 | if (!instance->widget) | |
569 | return NULL; | |
570 | ||
571 | if (!strcmp (XtName (instance->widget), name)) | |
572 | widget = instance->widget; | |
573 | else | |
574 | { | |
575 | int length = strlen (name) + 2; | |
f60044f5 | 576 | char* real_name = (char *) xmalloc (length); |
07bf635f RS |
577 | real_name [0] = '*'; |
578 | strcpy (real_name + 1, name); | |
177c0ea7 | 579 | |
07bf635f | 580 | widget = XtNameToWidget (instance->widget, real_name); |
f60044f5 | 581 | |
81d40c92 | 582 | xfree (real_name); |
07bf635f RS |
583 | } |
584 | return widget; | |
585 | } | |
586 | ||
587 | static void | |
db0e17de | 588 | set_one_value (widget_instance* instance, widget_value* val, Boolean deep_p) |
07bf635f RS |
589 | { |
590 | Widget widget = name_to_widget (instance, val->name); | |
177c0ea7 | 591 | |
07bf635f RS |
592 | if (widget) |
593 | { | |
594 | #if defined (USE_LUCID) | |
595 | if (lw_lucid_widget_p (instance->widget)) | |
596 | xlw_update_one_widget (instance, widget, val, deep_p); | |
597 | #endif | |
598 | #if defined (USE_MOTIF) | |
599 | if (lw_motif_widget_p (instance->widget)) | |
600 | xm_update_one_widget (instance, widget, val, deep_p); | |
601 | #endif | |
9331cca8 FP |
602 | #if defined (USE_XAW) |
603 | if (lw_xaw_widget_p (instance->widget)) | |
604 | xaw_update_one_widget (instance, widget, val, deep_p); | |
07bf635f RS |
605 | #endif |
606 | } | |
607 | } | |
608 | ||
609 | static void | |
db0e17de | 610 | update_one_widget_instance (widget_instance* instance, Boolean deep_p) |
07bf635f RS |
611 | { |
612 | widget_value *val; | |
613 | ||
614 | if (!instance->widget) | |
615 | /* the widget was destroyed */ | |
616 | return; | |
617 | ||
618 | for (val = instance->info->val; val; val = val->next) | |
619 | if (val->change != NO_CHANGE) | |
620 | set_one_value (instance, val, deep_p); | |
621 | } | |
622 | ||
623 | static void | |
db0e17de | 624 | update_all_widget_values (widget_info* info, Boolean deep_p) |
07bf635f RS |
625 | { |
626 | widget_instance* instance; | |
627 | widget_value* val; | |
628 | ||
629 | for (instance = info->instances; instance; instance = instance->next) | |
630 | update_one_widget_instance (instance, deep_p); | |
631 | ||
632 | for (val = info->val; val; val = val->next) | |
633 | val->change = NO_CHANGE; | |
634 | } | |
635 | ||
a17063b5 | 636 | int |
db0e17de | 637 | lw_modify_all_widgets (LWLIB_ID id, widget_value* val, Boolean deep_p) |
07bf635f RS |
638 | { |
639 | widget_info* info = get_widget_info (id, False); | |
640 | widget_value* new_val; | |
641 | widget_value* next_new_val; | |
642 | widget_value* cur; | |
643 | widget_value* prev; | |
644 | widget_value* next; | |
645 | int found; | |
a17063b5 | 646 | int change_p = 0; |
07bf635f RS |
647 | |
648 | if (!info) | |
fdc4d3cd | 649 | return 0; |
07bf635f RS |
650 | |
651 | for (new_val = val; new_val; new_val = new_val->next) | |
652 | { | |
653 | next_new_val = new_val->next; | |
654 | new_val->next = NULL; | |
655 | found = False; | |
656 | for (prev = NULL, cur = info->val; cur; prev = cur, cur = cur->next) | |
657 | if (!strcmp (cur->name, new_val->name)) | |
658 | { | |
659 | found = True; | |
660 | next = cur->next; | |
661 | cur->next = NULL; | |
a17063b5 GM |
662 | cur = merge_widget_value (cur, new_val, deep_p ? 1000 : 1, |
663 | &change_p); | |
07bf635f RS |
664 | if (prev) |
665 | prev->next = cur ? cur : next; | |
666 | else | |
667 | info->val = cur ? cur : next; | |
668 | if (cur) | |
669 | cur->next = next; | |
670 | break; | |
671 | } | |
672 | if (!found) | |
673 | { | |
674 | /* Could not find it, add it */ | |
675 | if (prev) | |
676 | prev->next = copy_widget_value_tree (new_val, STRUCTURAL_CHANGE); | |
677 | else | |
678 | info->val = copy_widget_value_tree (new_val, STRUCTURAL_CHANGE); | |
a17063b5 | 679 | change_p = 1; |
07bf635f RS |
680 | } |
681 | new_val->next = next_new_val; | |
682 | } | |
683 | ||
684 | update_all_widget_values (info, deep_p); | |
a17063b5 | 685 | return change_p; |
07bf635f RS |
686 | } |
687 | ||
688 | \f | |
689 | /* creating the widgets */ | |
690 | ||
691 | static void | |
c3174d16 | 692 | initialize_widget_instance (widget_instance *instance) |
07bf635f RS |
693 | { |
694 | widget_value* val; | |
695 | ||
696 | for (val = instance->info->val; val; val = val->next) | |
697 | val->change = STRUCTURAL_CHANGE; | |
698 | ||
699 | update_one_widget_instance (instance, True); | |
700 | ||
701 | for (val = instance->info->val; val; val = val->next) | |
702 | val->change = NO_CHANGE; | |
703 | } | |
704 | ||
705 | ||
706 | static widget_creation_function | |
d6dcbe70 | 707 | find_in_table (const char *type, const widget_creation_entry *table) |
07bf635f | 708 | { |
d6dcbe70 | 709 | const widget_creation_entry* cur; |
07bf635f | 710 | for (cur = table; cur->type; cur++) |
fee5959d | 711 | if (!c_strcasecmp (type, cur->type)) |
07bf635f RS |
712 | return cur->function; |
713 | return NULL; | |
714 | } | |
715 | ||
716 | static Boolean | |
d6dcbe70 | 717 | dialog_spec_p (const char *name) |
07bf635f | 718 | { |
177c0ea7 | 719 | /* return True if name matches [EILPQeilpq][1-9][Bb] or |
07bf635f RS |
720 | [EILPQeilpq][1-9][Bb][Rr][1-9] */ |
721 | if (!name) | |
722 | return False; | |
177c0ea7 | 723 | |
07bf635f RS |
724 | switch (name [0]) |
725 | { | |
726 | case 'E': case 'I': case 'L': case 'P': case 'Q': | |
727 | case 'e': case 'i': case 'l': case 'p': case 'q': | |
728 | if (name [1] >= '0' && name [1] <= '9') | |
729 | { | |
730 | if (name [2] != 'B' && name [2] != 'b') | |
731 | return False; | |
732 | if (!name [3]) | |
733 | return True; | |
734 | if ((name [3] == 'T' || name [3] == 't') && !name [4]) | |
735 | return True; | |
736 | if ((name [3] == 'R' || name [3] == 'r') | |
737 | && name [4] >= '0' && name [4] <= '9' && !name [5]) | |
738 | return True; | |
739 | return False; | |
740 | } | |
741 | else | |
742 | return False; | |
177c0ea7 | 743 | |
07bf635f RS |
744 | default: |
745 | return False; | |
746 | } | |
747 | } | |
748 | ||
749 | static void | |
c3174d16 | 750 | instantiate_widget_instance (widget_instance *instance) |
07bf635f RS |
751 | { |
752 | widget_creation_function function = NULL; | |
753 | ||
754 | #if defined (USE_LUCID) | |
755 | if (!function) | |
756 | function = find_in_table (instance->info->type, xlw_creation_table); | |
757 | #endif | |
758 | #if defined(USE_MOTIF) | |
759 | if (!function) | |
760 | function = find_in_table (instance->info->type, xm_creation_table); | |
761 | #endif | |
9331cca8 FP |
762 | #if defined (USE_XAW) |
763 | if (!function) | |
764 | function = find_in_table (instance->info->type, xaw_creation_table); | |
765 | #endif | |
07bf635f RS |
766 | |
767 | if (!function) | |
768 | { | |
769 | if (dialog_spec_p (instance->info->type)) | |
770 | { | |
771 | #if defined (USE_LUCID) | |
772 | /* not yet */ | |
773 | #endif | |
774 | #if defined(USE_MOTIF) | |
775 | if (!function) | |
776 | function = xm_create_dialog; | |
777 | #endif | |
9331cca8 FP |
778 | #if defined (USE_XAW) |
779 | if (!function) | |
780 | function = xaw_create_dialog; | |
07bf635f RS |
781 | #endif |
782 | } | |
783 | } | |
177c0ea7 | 784 | |
07bf635f RS |
785 | if (!function) |
786 | { | |
787 | printf ("No creation function for widget type %s\n", | |
788 | instance->info->type); | |
789 | abort (); | |
790 | } | |
791 | ||
792 | instance->widget = (*function) (instance); | |
793 | ||
794 | if (!instance->widget) | |
795 | abort (); | |
796 | ||
797 | /* XtRealizeWidget (instance->widget);*/ | |
798 | } | |
799 | ||
177c0ea7 | 800 | void |
a953c1e3 DN |
801 | lw_register_widget (const char* type, |
802 | const char* name, | |
c825c0b6 J |
803 | LWLIB_ID id, |
804 | widget_value* val, | |
805 | lw_callback pre_activate_cb, | |
806 | lw_callback selection_cb, | |
807 | lw_callback post_activate_cb, | |
808 | lw_callback highlight_cb) | |
07bf635f RS |
809 | { |
810 | if (!get_widget_info (id, False)) | |
811 | allocate_widget_info (type, name, id, val, pre_activate_cb, selection_cb, | |
02512b20 | 812 | post_activate_cb, highlight_cb); |
07bf635f RS |
813 | } |
814 | ||
815 | Widget | |
db0e17de | 816 | lw_get_widget (LWLIB_ID id, Widget parent, Boolean pop_up_p) |
07bf635f RS |
817 | { |
818 | widget_instance* instance; | |
177c0ea7 | 819 | |
07bf635f RS |
820 | instance = find_instance (id, parent, pop_up_p); |
821 | return instance ? instance->widget : NULL; | |
822 | } | |
823 | ||
824 | Widget | |
db0e17de | 825 | lw_make_widget (LWLIB_ID id, Widget parent, Boolean pop_up_p) |
07bf635f RS |
826 | { |
827 | widget_instance* instance; | |
828 | widget_info* info; | |
177c0ea7 | 829 | |
07bf635f RS |
830 | instance = find_instance (id, parent, pop_up_p); |
831 | if (!instance) | |
832 | { | |
833 | info = get_widget_info (id, False); | |
834 | if (!info) | |
835 | return NULL; | |
836 | instance = allocate_widget_instance (info, parent, pop_up_p); | |
837 | initialize_widget_instance (instance); | |
838 | } | |
839 | if (!instance->widget) | |
840 | abort (); | |
841 | return instance->widget; | |
842 | } | |
843 | ||
844 | Widget | |
a953c1e3 | 845 | lw_create_widget (const char* type, const char* name, LWLIB_ID id, widget_value* val, |
db0e17de DL |
846 | Widget parent, Boolean pop_up_p, |
847 | lw_callback pre_activate_cb, lw_callback selection_cb, | |
848 | lw_callback post_activate_cb, lw_callback highlight_cb) | |
07bf635f RS |
849 | { |
850 | lw_register_widget (type, name, id, val, pre_activate_cb, selection_cb, | |
02512b20 | 851 | post_activate_cb, highlight_cb); |
07bf635f RS |
852 | return lw_make_widget (id, parent, pop_up_p); |
853 | } | |
177c0ea7 | 854 | |
07bf635f RS |
855 | \f |
856 | /* destroying the widgets */ | |
857 | static void | |
c3174d16 | 858 | destroy_one_instance (widget_instance *instance) |
07bf635f RS |
859 | { |
860 | /* Remove the destroy callback on the widget; that callback will try to | |
861 | dereference the instance object (to set its widget slot to 0, since the | |
862 | widget is dead.) Since the instance is now dead, we don't have to worry | |
863 | about the fact that its widget is dead too. | |
864 | ||
865 | This happens in the Phase2Destroy of the widget, so this callback would | |
866 | not have been run until arbitrarily long after the instance was freed. | |
867 | */ | |
868 | if (instance->widget) | |
869 | XtRemoveCallback (instance->widget, XtNdestroyCallback, | |
870 | mark_widget_destroyed, (XtPointer)instance); | |
871 | ||
872 | if (instance->widget) | |
873 | { | |
874 | /* The else are pretty tricky here, including the empty statement | |
875 | at the end because it would be very bad to destroy a widget | |
876 | twice. */ | |
877 | #if defined (USE_LUCID) | |
878 | if (lw_lucid_widget_p (instance->widget)) | |
879 | xlw_destroy_instance (instance); | |
880 | else | |
881 | #endif | |
882 | #if defined (USE_MOTIF) | |
883 | if (lw_motif_widget_p (instance->widget)) | |
884 | xm_destroy_instance (instance); | |
885 | else | |
886 | #endif | |
9331cca8 FP |
887 | #if defined (USE_XAW) |
888 | if (lw_xaw_widget_p (instance->widget)) | |
889 | xaw_destroy_instance (instance); | |
177c0ea7 | 890 | else |
07bf635f | 891 | #endif |
9ac71959 PE |
892 | { |
893 | /* Empty compound statement to terminate if-then-else chain. */ | |
894 | } | |
07bf635f RS |
895 | } |
896 | ||
897 | free_widget_instance (instance); | |
898 | } | |
899 | ||
900 | void | |
c3174d16 | 901 | lw_destroy_widget (Widget w) |
07bf635f RS |
902 | { |
903 | widget_instance* instance = get_widget_instance (w, True); | |
177c0ea7 | 904 | |
07bf635f RS |
905 | if (instance) |
906 | { | |
907 | widget_info *info = instance->info; | |
908 | /* instance has already been removed from the list; free it */ | |
909 | destroy_one_instance (instance); | |
910 | /* if there are no instances left, free the info too */ | |
911 | if (!info->instances) | |
912 | lw_destroy_all_widgets (info->id); | |
913 | } | |
914 | } | |
915 | ||
916 | void | |
c3174d16 | 917 | lw_destroy_all_widgets (LWLIB_ID id) |
07bf635f RS |
918 | { |
919 | widget_info* info = get_widget_info (id, True); | |
920 | widget_instance* instance; | |
921 | widget_instance* next; | |
922 | ||
923 | if (info) | |
924 | { | |
925 | for (instance = info->instances; instance; ) | |
926 | { | |
927 | next = instance->next; | |
928 | destroy_one_instance (instance); | |
929 | instance = next; | |
930 | } | |
931 | free_widget_info (info); | |
932 | } | |
933 | } | |
934 | ||
935 | void | |
c3174d16 | 936 | lw_destroy_everything (void) |
07bf635f RS |
937 | { |
938 | while (all_widget_info) | |
939 | lw_destroy_all_widgets (all_widget_info->id); | |
940 | } | |
941 | ||
942 | void | |
c3174d16 | 943 | lw_destroy_all_pop_ups (void) |
07bf635f RS |
944 | { |
945 | widget_info* info; | |
946 | widget_info* next; | |
947 | widget_instance* instance; | |
948 | ||
949 | for (info = all_widget_info; info; info = next) | |
950 | { | |
951 | next = info->next; | |
952 | instance = info->instances; | |
953 | if (instance && instance->pop_up_p) | |
954 | lw_destroy_all_widgets (info->id); | |
955 | } | |
956 | } | |
957 | ||
958 | #ifdef USE_MOTIF | |
748945cc | 959 | extern Widget first_child (Widget); /* garbage */ |
07bf635f RS |
960 | #endif |
961 | ||
962 | Widget | |
c3174d16 | 963 | lw_raise_all_pop_up_widgets (void) |
07bf635f RS |
964 | { |
965 | widget_info* info; | |
966 | widget_instance* instance; | |
967 | Widget result = NULL; | |
968 | ||
969 | for (info = all_widget_info; info; info = info->next) | |
970 | for (instance = info->instances; instance; instance = instance->next) | |
971 | if (instance->pop_up_p) | |
972 | { | |
973 | Widget widget = instance->widget; | |
974 | if (widget) | |
975 | { | |
976 | if (XtIsManaged (widget) | |
977 | #ifdef USE_MOTIF | |
978 | /* What a complete load of crap!!!! | |
979 | When a dialogShell is on the screen, it is not managed! | |
980 | */ | |
981 | || (lw_motif_widget_p (instance->widget) && | |
982 | XtIsManaged (first_child (widget))) | |
983 | #endif | |
984 | ) | |
985 | { | |
986 | if (!result) | |
987 | result = widget; | |
988 | XMapRaised (XtDisplay (widget), XtWindow (widget)); | |
989 | } | |
990 | } | |
991 | } | |
992 | return result; | |
993 | } | |
994 | ||
995 | static void | |
db0e17de | 996 | lw_pop_all_widgets (LWLIB_ID id, Boolean up) |
07bf635f RS |
997 | { |
998 | widget_info* info = get_widget_info (id, False); | |
999 | widget_instance* instance; | |
1000 | ||
1001 | if (info) | |
1002 | for (instance = info->instances; instance; instance = instance->next) | |
1003 | if (instance->pop_up_p && instance->widget) | |
1004 | { | |
07bf635f RS |
1005 | #if defined (USE_LUCID) |
1006 | if (lw_lucid_widget_p (instance->widget)) | |
9331cca8 FP |
1007 | { |
1008 | XtRealizeWidget (instance->widget); | |
1009 | xlw_pop_instance (instance, up); | |
1010 | } | |
07bf635f RS |
1011 | #endif |
1012 | #if defined (USE_MOTIF) | |
1013 | if (lw_motif_widget_p (instance->widget)) | |
9331cca8 FP |
1014 | { |
1015 | XtRealizeWidget (instance->widget); | |
1016 | xm_pop_instance (instance, up); | |
1017 | } | |
07bf635f | 1018 | #endif |
9331cca8 FP |
1019 | #if defined (USE_XAW) |
1020 | if (lw_xaw_widget_p (instance->widget)) | |
1021 | { | |
1022 | XtRealizeWidget (XtParent (instance->widget)); | |
1023 | XtRealizeWidget (instance->widget); | |
1024 | xaw_pop_instance (instance, up); | |
1025 | } | |
07bf635f RS |
1026 | #endif |
1027 | } | |
1028 | } | |
1029 | ||
1030 | void | |
c3174d16 | 1031 | lw_pop_up_all_widgets (LWLIB_ID id) |
07bf635f RS |
1032 | { |
1033 | lw_pop_all_widgets (id, True); | |
1034 | } | |
1035 | ||
1036 | void | |
c3174d16 | 1037 | lw_pop_down_all_widgets (LWLIB_ID id) |
07bf635f RS |
1038 | { |
1039 | lw_pop_all_widgets (id, False); | |
1040 | } | |
1041 | ||
1042 | void | |
c3174d16 | 1043 | lw_popup_menu (Widget widget, XEvent *event) |
07bf635f RS |
1044 | { |
1045 | #if defined (USE_LUCID) | |
1046 | if (lw_lucid_widget_p (widget)) | |
5b3b31d6 | 1047 | xlw_popup_menu (widget, event); |
07bf635f RS |
1048 | #endif |
1049 | #if defined (USE_MOTIF) | |
1050 | if (lw_motif_widget_p (widget)) | |
5b3b31d6 | 1051 | xm_popup_menu (widget, event); |
07bf635f | 1052 | #endif |
9331cca8 FP |
1053 | #if defined (USE_XAW) |
1054 | if (lw_xaw_widget_p (widget)) | |
5b3b31d6 | 1055 | xaw_popup_menu (widget, event); |
9331cca8 | 1056 | #endif |
07bf635f RS |
1057 | } |
1058 | ||
1059 | \f/* get the values back */ | |
1060 | static Boolean | |
c3174d16 | 1061 | get_one_value (widget_instance *instance, widget_value *val) |
07bf635f RS |
1062 | { |
1063 | Widget widget = name_to_widget (instance, val->name); | |
177c0ea7 | 1064 | |
07bf635f RS |
1065 | if (widget) |
1066 | { | |
1067 | #if defined (USE_LUCID) | |
1068 | if (lw_lucid_widget_p (instance->widget)) | |
1069 | xlw_update_one_value (instance, widget, val); | |
1070 | #endif | |
1071 | #if defined (USE_MOTIF) | |
1072 | if (lw_motif_widget_p (instance->widget)) | |
1073 | xm_update_one_value (instance, widget, val); | |
1074 | #endif | |
9331cca8 FP |
1075 | #if defined (USE_XAW) |
1076 | if (lw_xaw_widget_p (instance->widget)) | |
1077 | xaw_update_one_value (instance, widget, val); | |
07bf635f RS |
1078 | #endif |
1079 | return True; | |
1080 | } | |
1081 | else | |
1082 | return False; | |
1083 | } | |
1084 | ||
1085 | Boolean | |
c3174d16 | 1086 | lw_get_some_values (LWLIB_ID id, widget_value *val_out) |
07bf635f RS |
1087 | { |
1088 | widget_info* info = get_widget_info (id, False); | |
1089 | widget_instance* instance; | |
1090 | widget_value* val; | |
1091 | Boolean result = False; | |
1092 | ||
1093 | if (!info) | |
1094 | return False; | |
1095 | ||
1096 | instance = info->instances; | |
1097 | if (!instance) | |
1098 | return False; | |
1099 | ||
1100 | for (val = val_out; val; val = val->next) | |
1101 | if (get_one_value (instance, val)) | |
1102 | result = True; | |
1103 | ||
1104 | return result; | |
1105 | } | |
1106 | ||
1107 | widget_value* | |
c3174d16 | 1108 | lw_get_all_values (LWLIB_ID id) |
07bf635f RS |
1109 | { |
1110 | widget_info* info = get_widget_info (id, False); | |
1111 | widget_value* val = info->val; | |
1112 | if (lw_get_some_values (id, val)) | |
1113 | return val; | |
1114 | else | |
1115 | return NULL; | |
1116 | } | |
1117 | ||
1118 | /* internal function used by the library dependent implementation to get the | |
1119 | widget_value for a given widget in an instance */ | |
1120 | widget_value* | |
c3174d16 | 1121 | lw_get_widget_value_for_widget (widget_instance *instance, Widget w) |
07bf635f RS |
1122 | { |
1123 | char* name = XtName (w); | |
1124 | widget_value* cur; | |
1125 | for (cur = instance->info->val; cur; cur = cur->next) | |
1126 | if (!strcmp (cur->name, name)) | |
1127 | return cur; | |
1128 | return NULL; | |
1129 | } | |
1130 | ||
1131 | \f/* update other instances value when one thing changed */ | |
bd2c5b53 KH |
1132 | |
1133 | /* To forbid recursive calls */ | |
1134 | static Boolean lwlib_updating; | |
1135 | ||
20db1522 JB |
1136 | /* This function can be used as an XtCallback for the widgets that get |
1137 | modified to update other instances of the widgets. Closure should be the | |
1138 | widget_instance. */ | |
07bf635f | 1139 | void |
c825c0b6 J |
1140 | lw_internal_update_other_instances (Widget widget, |
1141 | XtPointer closure, | |
1142 | XtPointer call_data) | |
07bf635f | 1143 | { |
07bf635f RS |
1144 | widget_instance* instance = (widget_instance*)closure; |
1145 | char* name = XtName (widget); | |
1146 | widget_info* info; | |
1147 | widget_instance* cur; | |
1148 | widget_value* val; | |
1149 | ||
bd2c5b53 KH |
1150 | /* Avoid possibly infinite recursion. */ |
1151 | if (lwlib_updating) | |
07bf635f RS |
1152 | return; |
1153 | ||
1154 | /* protect against the widget being destroyed */ | |
1155 | if (XtWidgetBeingDestroyedP (widget)) | |
1156 | return; | |
1157 | ||
1158 | /* Return immediately if there are no other instances */ | |
1159 | info = instance->info; | |
1160 | if (!info->instances->next) | |
1161 | return; | |
1162 | ||
bd2c5b53 | 1163 | lwlib_updating = True; |
07bf635f RS |
1164 | |
1165 | for (val = info->val; val && strcmp (val->name, name); val = val->next); | |
1166 | ||
1167 | if (val && get_one_value (instance, val)) | |
1168 | for (cur = info->instances; cur; cur = cur->next) | |
1169 | if (cur != instance) | |
1170 | set_one_value (cur, val, True); | |
1171 | ||
bd2c5b53 | 1172 | lwlib_updating = False; |
07bf635f RS |
1173 | } |
1174 | ||
1175 | ||
1176 | \f/* get the id */ | |
1177 | ||
1178 | LWLIB_ID | |
c3174d16 | 1179 | lw_get_widget_id (Widget w) |
07bf635f RS |
1180 | { |
1181 | widget_instance* instance = get_widget_instance (w, False); | |
1182 | ||
1183 | return instance ? instance->info->id : 0; | |
1184 | } | |
1185 | ||
1186 | \f/* set the keyboard focus */ | |
1187 | void | |
c3174d16 | 1188 | lw_set_keyboard_focus (Widget parent, Widget w) |
07bf635f RS |
1189 | { |
1190 | #if defined (USE_MOTIF) | |
1191 | xm_set_keyboard_focus (parent, w); | |
1192 | #else | |
1193 | XtSetKeyboardFocus (parent, w); | |
1194 | #endif | |
1195 | } | |
1196 | ||
1197 | \f/* Show busy */ | |
1198 | static void | |
db0e17de | 1199 | show_one_widget_busy (Widget w, Boolean flag) |
07bf635f RS |
1200 | { |
1201 | Pixel foreground = 0; | |
1202 | Pixel background = 1; | |
1203 | Widget widget_to_invert = XtNameToWidget (w, "*sheet"); | |
1204 | if (!widget_to_invert) | |
1205 | widget_to_invert = w; | |
177c0ea7 | 1206 | |
07bf635f RS |
1207 | XtVaGetValues (widget_to_invert, |
1208 | XtNforeground, &foreground, | |
1209 | XtNbackground, &background, | |
8dd095ee | 1210 | NULL); |
07bf635f RS |
1211 | XtVaSetValues (widget_to_invert, |
1212 | XtNforeground, background, | |
1213 | XtNbackground, foreground, | |
8dd095ee | 1214 | NULL); |
07bf635f RS |
1215 | } |
1216 | ||
1217 | void | |
db0e17de | 1218 | lw_show_busy (Widget w, Boolean busy) |
07bf635f RS |
1219 | { |
1220 | widget_instance* instance = get_widget_instance (w, False); | |
1221 | widget_info* info; | |
1222 | widget_instance* next; | |
1223 | ||
1224 | if (instance) | |
1225 | { | |
1226 | info = instance->info; | |
1227 | if (info->busy != busy) | |
1228 | { | |
1229 | for (next = info->instances; next; next = next->next) | |
1230 | if (next->widget) | |
1231 | show_one_widget_busy (next->widget, busy); | |
1232 | info->busy = busy; | |
1233 | } | |
1234 | } | |
1235 | } | |
2af91681 PR |
1236 | |
1237 | /* This hack exists because Lucid/Athena need to execute the strange | |
1238 | function below to support geometry management. */ | |
1239 | void | |
db0e17de | 1240 | lw_refigure_widget (Widget w, Boolean doit) |
2af91681 | 1241 | { |
177c0ea7 | 1242 | #if defined (USE_XAW) |
2af91681 PR |
1243 | XawPanedSetRefigureMode (w, doit); |
1244 | #endif | |
1245 | #if defined (USE_MOTIF) | |
1246 | if (doit) | |
2af91681 | 1247 | XtManageChild (w); |
a61155bc RS |
1248 | else |
1249 | XtUnmanageChild (w); | |
2af91681 PR |
1250 | #endif |
1251 | } | |
1252 | ||
1253 | /* Toolkit independent way of determining if an event window is in the | |
1254 | menubar. */ | |
1255 | Boolean | |
c3174d16 | 1256 | lw_window_is_in_menubar (Window win, Widget menubar_widget) |
2af91681 PR |
1257 | { |
1258 | return menubar_widget | |
1259 | #if defined (USE_LUCID) | |
1260 | && XtWindow (menubar_widget) == win; | |
1261 | #endif | |
1262 | #if defined (USE_MOTIF) | |
c17d59fc RS |
1263 | && ((XtWindow (menubar_widget) == win) |
1264 | || (XtWindowToWidget (XtDisplay (menubar_widget), win) | |
1265 | && (XtParent (XtWindowToWidget (XtDisplay (menubar_widget), win)) | |
1266 | == menubar_widget))); | |
2af91681 PR |
1267 | #endif |
1268 | } | |
1269 | ||
1270 | /* Motif hack to set the main window areas. */ | |
1271 | void | |
c3174d16 | 1272 | lw_set_main_areas (Widget parent, Widget menubar, Widget work_area) |
2af91681 PR |
1273 | { |
1274 | #if defined (USE_MOTIF) | |
6618806e | 1275 | xm_set_main_areas (parent, menubar, work_area); |
2af91681 PR |
1276 | #endif |
1277 | } | |
1278 | ||
1279 | /* Manage resizing for Motif. This disables resizing when the menubar | |
1280 | is about to be modified. */ | |
1281 | void | |
db0e17de | 1282 | lw_allow_resizing (Widget w, Boolean flag) |
2af91681 PR |
1283 | { |
1284 | #if defined (USE_MOTIF) | |
f78c5177 | 1285 | xm_manage_resizing (w, flag); |
2af91681 PR |
1286 | #endif |
1287 | } | |
da88f592 GM |
1288 | |
1289 | ||
1290 | /* Value is non-zero if LABEL is a menu separator. If it is, *TYPE is | |
1291 | set to an appropriate enumerator of type enum menu_separator. | |
1292 | MOTIF_P non-zero means map separator types not supported by Motif | |
1293 | to similar ones that are supported. */ | |
1294 | ||
1295 | int | |
d6dcbe70 | 1296 | lw_separator_p (const char *label, enum menu_separator *type, int motif_p) |
da88f592 | 1297 | { |
0f3360b0 | 1298 | int separator_p = 0; |
da88f592 GM |
1299 | |
1300 | if (strlen (label) >= 3 | |
72af86bd | 1301 | && memcmp (label, "--:", 3) == 0) |
da88f592 GM |
1302 | { |
1303 | static struct separator_table | |
1304 | { | |
a953c1e3 | 1305 | const char *name; |
da88f592 GM |
1306 | enum menu_separator type; |
1307 | } | |
1308 | separator_names[] = | |
1309 | { | |
4a5301d8 PJ |
1310 | {"space", SEPARATOR_NO_LINE}, |
1311 | {"noLine", SEPARATOR_NO_LINE}, | |
1312 | {"singleLine", SEPARATOR_SINGLE_LINE}, | |
1313 | {"doubleLine", SEPARATOR_DOUBLE_LINE}, | |
1314 | {"singleDashedLine", SEPARATOR_SINGLE_DASHED_LINE}, | |
1315 | {"doubleDashedLine", SEPARATOR_DOUBLE_DASHED_LINE}, | |
1316 | {"shadowEtchedIn", SEPARATOR_SHADOW_ETCHED_IN}, | |
1317 | {"shadowEtchedOut", SEPARATOR_SHADOW_ETCHED_OUT}, | |
1318 | {"shadowEtchedInDash", SEPARATOR_SHADOW_ETCHED_IN_DASH}, | |
1319 | {"shadowEtchedOutDash", SEPARATOR_SHADOW_ETCHED_OUT_DASH}, | |
1320 | {"shadowDoubleEtchedIn", SEPARATOR_SHADOW_DOUBLE_ETCHED_IN}, | |
1321 | {"shadowDoubleEtchedOut", SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT}, | |
1322 | {"shadowDoubleEtchedInDash", SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH}, | |
1323 | {"shadowDoubleEtchedOutDash", SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH}, | |
1324 | {0,0} | |
da88f592 GM |
1325 | }; |
1326 | ||
1327 | int i; | |
1328 | ||
1329 | label += 3; | |
1330 | for (i = 0; separator_names[i].name; ++i) | |
1331 | if (strcmp (label, separator_names[i].name) == 0) | |
1332 | { | |
1333 | separator_p = 1; | |
1334 | *type = separator_names[i].type; | |
1335 | ||
2af98732 GM |
1336 | /* If separator type is not supported under Motif, |
1337 | use a similar one. */ | |
1338 | if (motif_p && *type >= SEPARATOR_SHADOW_DOUBLE_ETCHED_IN) | |
1339 | *type -= 4; | |
1340 | break; | |
1341 | } | |
1342 | } | |
1343 | else if (strlen (label) > 3 | |
72af86bd | 1344 | && memcmp (label, "--", 2) == 0 |
46d74a69 | 1345 | && label[2] != '-') |
2af98732 GM |
1346 | { |
1347 | /* Alternative, more Emacs-style names. */ | |
1348 | static struct separator_table | |
1349 | { | |
a953c1e3 | 1350 | const char *name; |
2af98732 GM |
1351 | enum menu_separator type; |
1352 | } | |
1353 | separator_names[] = | |
1354 | { | |
4a5301d8 PJ |
1355 | {"space", SEPARATOR_NO_LINE}, |
1356 | {"no-line", SEPARATOR_NO_LINE}, | |
1357 | {"single-line", SEPARATOR_SINGLE_LINE}, | |
1358 | {"double-line", SEPARATOR_DOUBLE_LINE}, | |
1359 | {"single-dashed-line", SEPARATOR_SINGLE_DASHED_LINE}, | |
1360 | {"double-dashed-line", SEPARATOR_DOUBLE_DASHED_LINE}, | |
1361 | {"shadow-etched-in", SEPARATOR_SHADOW_ETCHED_IN}, | |
1362 | {"shadow-etched-out", SEPARATOR_SHADOW_ETCHED_OUT}, | |
1363 | {"shadow-etched-in-dash", SEPARATOR_SHADOW_ETCHED_IN_DASH}, | |
1364 | {"shadow-etched-out-dash", SEPARATOR_SHADOW_ETCHED_OUT_DASH}, | |
1365 | {"shadow-double-etched-in", SEPARATOR_SHADOW_DOUBLE_ETCHED_IN}, | |
1366 | {"shadow-double-etched-out", SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT}, | |
1367 | {"shadow-double-etched-in-dash", SEPARATOR_SHADOW_DOUBLE_ETCHED_IN_DASH}, | |
1368 | {"shadow-double-etched-out-dash",SEPARATOR_SHADOW_DOUBLE_ETCHED_OUT_DASH}, | |
1369 | {0,0} | |
2af98732 GM |
1370 | }; |
1371 | ||
1372 | int i; | |
1373 | ||
1374 | label += 2; | |
1375 | for (i = 0; separator_names[i].name; ++i) | |
1376 | if (strcmp (label, separator_names[i].name) == 0) | |
1377 | { | |
1378 | separator_p = 1; | |
1379 | *type = separator_names[i].type; | |
1380 | ||
da88f592 GM |
1381 | /* If separator type is not supported under Motif, |
1382 | use a similar one. */ | |
1383 | if (motif_p && *type >= SEPARATOR_SHADOW_DOUBLE_ETCHED_IN) | |
1384 | *type -= 4; | |
1385 | break; | |
1386 | } | |
1387 | } | |
1388 | else | |
1389 | { | |
1390 | /* Old-style separator, maybe. It's a separator if it contains | |
1391 | only dashes. */ | |
1392 | while (*label == '-') | |
1393 | ++label; | |
1394 | separator_p = *label == 0; | |
1395 | *type = SEPARATOR_SHADOW_ETCHED_IN; | |
1396 | } | |
1397 | ||
1398 | return separator_p; | |
1399 | } |